src/qt/coincontroldialog.cpp

   1 // Copyright (c) 2011-2013 The Bitcoin developers
   2 // Distributed under the MIT/X11 software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #include "coincontroldialog.h"
   6 #include "ui_coincontroldialog.h"
   7
   8 #include "addresstablemodel.h"
   9 #include "bitcoinunits.h"
  10 #include "guiutil.h"
  11 #include "init.h"
  12 #include "optionsmodel.h"
  13 #include "walletmodel.h"
  14
  15 #include "coincontrol.h"
  16 #include "main.h"
  17 #include "wallet.h"
  18
  19 #include <boost/assign/list_of.hpp> // for 'map_list_of()'
  20
  21 #include <QApplication>
  22 #include <QCheckBox>
  23 #include <QCursor>
  24 #include <QDialogButtonBox>
  25 #include <QFlags>
  26 #include <QIcon>
  27 #include <QString>
  28 #include <QTreeWidget>
  29 #include <QTreeWidgetItem>
  30
  31 using namespace std;
  32 QList<qint64> CoinControlDialog::payAmounts;
  33 CCoinControl* CoinControlDialog::coinControl = new CCoinControl();
  34
  35 CoinControlDialog::CoinControlDialog(QWidget *parent) :
  36     QDialog(parent),
  37     ui(new Ui::CoinControlDialog),
  38     model(0)
  39 {
  40     ui->setupUi(this);
  41
  42     // context menu actions
  43     QAction *copyAddressAction = new QAction(tr("Copy address"), this);
  44     QAction *copyLabelAction = new QAction(tr("Copy label"), this);
  45     QAction *copyAmountAction = new QAction(tr("Copy amount"), this);
  46              copyTransactionHashAction = new QAction(tr("Copy transaction ID"), this);  // we need to enable/disable this
  47              lockAction = new QAction(tr("Lock unspent"), this);                        // we need to enable/disable this
  48              unlockAction = new QAction(tr("Unlock unspent"), this);                    // we need to enable/disable this
  49
  50     // context menu
  51     contextMenu = new QMenu();
  52     contextMenu->addAction(copyAddressAction);
  53     contextMenu->addAction(copyLabelAction);
  54     contextMenu->addAction(copyAmountAction);
  55     contextMenu->addAction(copyTransactionHashAction);
  56     contextMenu->addSeparator();
  57     contextMenu->addAction(lockAction);
  58     contextMenu->addAction(unlockAction);
  59
  60     // context menu signals
  61     connect(ui->treeWidget, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(showMenu(QPoint)));
  62     connect(copyAddressAction, SIGNAL(triggered()), this, SLOT(copyAddress()));
  63     connect(copyLabelAction, SIGNAL(triggered()), this, SLOT(copyLabel()));
  64     connect(copyAmountAction, SIGNAL(triggered()), this, SLOT(copyAmount()));
  65     connect(copyTransactionHashAction, SIGNAL(triggered()), this, SLOT(copyTransactionHash()));
  66     connect(lockAction, SIGNAL(triggered()), this, SLOT(lockCoin()));
  67     connect(unlockAction, SIGNAL(triggered()), this, SLOT(unlockCoin()));
  68
  69     // clipboard actions
  70     QAction *clipboardQuantityAction = new QAction(tr("Copy quantity"), this);
  71     QAction *clipboardAmountAction = new QAction(tr("Copy amount"), this);
  72     QAction *clipboardFeeAction = new QAction(tr("Copy fee"), this);
  73     QAction *clipboardAfterFeeAction = new QAction(tr("Copy after fee"), this);
  74     QAction *clipboardBytesAction = new QAction(tr("Copy bytes"), this);
  75     QAction *clipboardPriorityAction = new QAction(tr("Copy priority"), this);
  76     QAction *clipboardLowOutputAction = new QAction(tr("Copy dust"), this);
  77     QAction *clipboardChangeAction = new QAction(tr("Copy change"), this);
  78
  79     connect(clipboardQuantityAction, SIGNAL(triggered()), this, SLOT(clipboardQuantity()));
  80     connect(clipboardAmountAction, SIGNAL(triggered()), this, SLOT(clipboardAmount()));
  81     connect(clipboardFeeAction, SIGNAL(triggered()), this, SLOT(clipboardFee()));
  82     connect(clipboardAfterFeeAction, SIGNAL(triggered()), this, SLOT(clipboardAfterFee()));
  83     connect(clipboardBytesAction, SIGNAL(triggered()), this, SLOT(clipboardBytes()));
  84     connect(clipboardPriorityAction, SIGNAL(triggered()), this, SLOT(clipboardPriority()));
  85     connect(clipboardLowOutputAction, SIGNAL(triggered()), this, SLOT(clipboardLowOutput()));
  86     connect(clipboardChangeAction, SIGNAL(triggered()), this, SLOT(clipboardChange()));
  87
  88     ui->labelCoinControlQuantity->addAction(clipboardQuantityAction);
  89     ui->labelCoinControlAmount->addAction(clipboardAmountAction);
  90     ui->labelCoinControlFee->addAction(clipboardFeeAction);
  91     ui->labelCoinControlAfterFee->addAction(clipboardAfterFeeAction);
  92     ui->labelCoinControlBytes->addAction(clipboardBytesAction);
  93     ui->labelCoinControlPriority->addAction(clipboardPriorityAction);
  94     ui->labelCoinControlLowOutput->addAction(clipboardLowOutputAction);
  95     ui->labelCoinControlChange->addAction(clipboardChangeAction);
  96
  97     // toggle tree/list mode
  98     connect(ui->radioTreeMode, SIGNAL(toggled(bool)), this, SLOT(radioTreeMode(bool)));
  99     connect(ui->radioListMode, SIGNAL(toggled(bool)), this, SLOT(radioListMode(bool)));
 100
 101     // click on checkbox
 102     connect(ui->treeWidget, SIGNAL(itemChanged(QTreeWidgetItem*, int)), this, SLOT(viewItemChanged(QTreeWidgetItem*, int)));
 103
 104     // click on header
 105 #if QT_VERSION < 0x050000
 106     ui->treeWidget->header()->setClickable(true);
 107 #else
 108     ui->treeWidget->header()->setSectionsClickable(true);
 109 #endif
 110     connect(ui->treeWidget->header(), SIGNAL(sectionClicked(int)), this, SLOT(headerSectionClicked(int)));
 111
 112     // ok button
 113     connect(ui->buttonBox, SIGNAL(clicked( QAbstractButton*)), this, SLOT(buttonBoxClicked(QAbstractButton*)));
 114
 115     // (un)select all
 116     connect(ui->pushButtonSelectAll, SIGNAL(clicked()), this, SLOT(buttonSelectAllClicked()));
 117
 118     ui->treeWidget->setColumnWidth(COLUMN_CHECKBOX, 84);
 119     ui->treeWidget->setColumnWidth(COLUMN_AMOUNT, 100);
 120     ui->treeWidget->setColumnWidth(COLUMN_LABEL, 170);
 121     ui->treeWidget->setColumnWidth(COLUMN_ADDRESS, 290);
 122     ui->treeWidget->setColumnWidth(COLUMN_DATE, 110);
 123     ui->treeWidget->setColumnWidth(COLUMN_CONFIRMATIONS, 100);
 124     ui->treeWidget->setColumnWidth(COLUMN_PRIORITY, 100);
 125     ui->treeWidget->setColumnHidden(COLUMN_TXHASH, true);         // store transacton hash in this column, but dont show it
 126     ui->treeWidget->setColumnHidden(COLUMN_VOUT_INDEX, true);     // store vout index in this column, but dont show it
 127     ui->treeWidget->setColumnHidden(COLUMN_AMOUNT_INT64, true);   // store amount int64 in this column, but dont show it
 128     ui->treeWidget->setColumnHidden(COLUMN_PRIORITY_INT64, true); // store priority int64 in this column, but dont show it
 129     ui->treeWidget->setColumnHidden(COLUMN_DATE_INT64, true);     // store date int64 in this column, but dont show it
 130
 131     // default view is sorted by amount desc
 132     sortView(COLUMN_AMOUNT_INT64, Qt::DescendingOrder);
 133 }
 134
 135 CoinControlDialog::~CoinControlDialog()
 136 {
 137     delete ui;
 138 }
 139
 140 void CoinControlDialog::setModel(WalletModel *model)
 141 {
 142     this->model = model;
 143
 144     if(model && model->getOptionsModel() && model->getAddressTableModel())
 145     {
 146         updateView();
 147         updateLabelLocked();
 148         CoinControlDialog::updateLabels(model, this);
 149     }
 150 }
 151
 152 // helper function str_pad
 153 QString CoinControlDialog::strPad(QString s, int nPadLength, QString sPadding)
 154 {
 155     while (s.length() < nPadLength)
 156         s = sPadding + s;
 157
 158     return s;
 159 }
 160
 161 // ok button
 162 void CoinControlDialog::buttonBoxClicked(QAbstractButton* button)
 163 {
 164     if (ui->buttonBox->buttonRole(button) == QDialogButtonBox::AcceptRole)
 165         done(QDialog::Accepted); // closes the dialog
 166 }
 167
 168 // (un)select all
 169 void CoinControlDialog::buttonSelectAllClicked()
 170 {
 171     Qt::CheckState state = Qt::Checked;
 172     for (int i = 0; i < ui->treeWidget->topLevelItemCount(); i++)
 173     {
 174         if (ui->treeWidget->topLevelItem(i)->checkState(COLUMN_CHECKBOX) != Qt::Unchecked)
 175         {
 176             state = Qt::Unchecked;
 177             break;
 178         }
 179     }
 180     ui->treeWidget->setEnabled(false);
 181     for (int i = 0; i < ui->treeWidget->topLevelItemCount(); i++)
 182             if (ui->treeWidget->topLevelItem(i)->checkState(COLUMN_CHECKBOX) != state)
 183                 ui->treeWidget->topLevelItem(i)->setCheckState(COLUMN_CHECKBOX, state);
 184     ui->treeWidget->setEnabled(true);
 185     if (state == Qt::Unchecked)
 186         coinControl->UnSelectAll(); // just to be sure
 187     CoinControlDialog::updateLabels(model, this);
 188 }
 189
 190 // context menu
 191 void CoinControlDialog::showMenu(const QPoint &point)
 192 {
 193     QTreeWidgetItem *item = ui->treeWidget->itemAt(point);
 194     if(item)
 195     {
 196         contextMenuItem = item;
 197
 198         // disable some items (like Copy Transaction ID, lock, unlock) for tree roots in context menu
 199         if (item->text(COLUMN_TXHASH).length() == 64) // transaction hash is 64 characters (this means its a child node, so its not a parent node in tree mode)
 200         {
 201             copyTransactionHashAction->setEnabled(true);
 202             if (model->isLockedCoin(uint256(item->text(COLUMN_TXHASH).toStdString()), item->text(COLUMN_VOUT_INDEX).toUInt()))
 203             {
 204                 lockAction->setEnabled(false);
 205                 unlockAction->setEnabled(true);
 206             }
 207             else
 208             {
 209                 lockAction->setEnabled(true);
 210                 unlockAction->setEnabled(false);
 211             }
 212         }
 213         else // this means click on parent node in tree mode -> disable all
 214         {
 215             copyTransactionHashAction->setEnabled(false);
 216             lockAction->setEnabled(false);
 217             unlockAction->setEnabled(false);
 218         }
 219
 220         // show context menu
 221         contextMenu->exec(QCursor::pos());
 222     }
 223 }
 224
 225 // context menu action: copy amount
 226 void CoinControlDialog::copyAmount()
 227 {
 228     GUIUtil::setClipboard(BitcoinUnits::removeSpaces(contextMenuItem->text(COLUMN_AMOUNT)));
 229 }
 230
 231 // context menu action: copy label
 232 void CoinControlDialog::copyLabel()
 233 {
 234     if (ui->radioTreeMode->isChecked() && contextMenuItem->text(COLUMN_LABEL).length() == 0 && contextMenuItem->parent())
 235         GUIUtil::setClipboard(contextMenuItem->parent()->text(COLUMN_LABEL));
 236     else
 237         GUIUtil::setClipboard(contextMenuItem->text(COLUMN_LABEL));
 238 }
 239
 240 // context menu action: copy address
 241 void CoinControlDialog::copyAddress()
 242 {
 243     if (ui->radioTreeMode->isChecked() && contextMenuItem->text(COLUMN_ADDRESS).length() == 0 && contextMenuItem->parent())
 244         GUIUtil::setClipboard(contextMenuItem->parent()->text(COLUMN_ADDRESS));
 245     else
 246         GUIUtil::setClipboard(contextMenuItem->text(COLUMN_ADDRESS));
 247 }
 248
 249 // context menu action: copy transaction id
 250 void CoinControlDialog::copyTransactionHash()
 251 {
 252     GUIUtil::setClipboard(contextMenuItem->text(COLUMN_TXHASH));
 253 }
 254
 255 // context menu action: lock coin
 256 void CoinControlDialog::lockCoin()
 257 {
 258     if (contextMenuItem->checkState(COLUMN_CHECKBOX) == Qt::Checked)
 259         contextMenuItem->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
 260
 261     COutPoint outpt(uint256(contextMenuItem->text(COLUMN_TXHASH).toStdString()), contextMenuItem->text(COLUMN_VOUT_INDEX).toUInt());
 262     model->lockCoin(outpt);
 263     contextMenuItem->setDisabled(true);
 264     contextMenuItem->setIcon(COLUMN_CHECKBOX, QIcon(":/icons/lock_closed"));
 265     updateLabelLocked();
 266 }
 267
 268 // context menu action: unlock coin
 269 void CoinControlDialog::unlockCoin()
 270 {
 271     COutPoint outpt(uint256(contextMenuItem->text(COLUMN_TXHASH).toStdString()), contextMenuItem->text(COLUMN_VOUT_INDEX).toUInt());
 272     model->unlockCoin(outpt);
 273     contextMenuItem->setDisabled(false);
 274     contextMenuItem->setIcon(COLUMN_CHECKBOX, QIcon());
 275     updateLabelLocked();
 276 }
 277
 278 // copy label "Quantity" to clipboard
 279 void CoinControlDialog::clipboardQuantity()
 280 {
 281     GUIUtil::setClipboard(ui->labelCoinControlQuantity->text());
 282 }
 283
 284 // copy label "Amount" to clipboard
 285 void CoinControlDialog::clipboardAmount()
 286 {
 287     GUIUtil::setClipboard(ui->labelCoinControlAmount->text().left(ui->labelCoinControlAmount->text().indexOf(" ")));
 288 }
 289
 290 // copy label "Fee" to clipboard
 291 void CoinControlDialog::clipboardFee()
 292 {
 293     GUIUtil::setClipboard(ui->labelCoinControlFee->text().left(ui->labelCoinControlFee->text().indexOf(" ")));
 294 }
 295
 296 // copy label "After fee" to clipboard
 297 void CoinControlDialog::clipboardAfterFee()
 298 {
 299     GUIUtil::setClipboard(ui->labelCoinControlAfterFee->text().left(ui->labelCoinControlAfterFee->text().indexOf(" ")));
 300 }
 301
 302 // copy label "Bytes" to clipboard
 303 void CoinControlDialog::clipboardBytes()
 304 {
 305     GUIUtil::setClipboard(ui->labelCoinControlBytes->text());
 306 }
 307
 308 // copy label "Priority" to clipboard
 309 void CoinControlDialog::clipboardPriority()
 310 {
 311     GUIUtil::setClipboard(ui->labelCoinControlPriority->text());
 312 }
 313
 314 // copy label "Dust" to clipboard
 315 void CoinControlDialog::clipboardLowOutput()
 316 {
 317     GUIUtil::setClipboard(ui->labelCoinControlLowOutput->text());
 318 }
 319
 320 // copy label "Change" to clipboard
 321 void CoinControlDialog::clipboardChange()
 322 {
 323     GUIUtil::setClipboard(ui->labelCoinControlChange->text().left(ui->labelCoinControlChange->text().indexOf(" ")));
 324 }
 325
 326 // treeview: sort
 327 void CoinControlDialog::sortView(int column, Qt::SortOrder order)
 328 {
 329     sortColumn = column;
 330     sortOrder = order;
 331     ui->treeWidget->sortItems(column, order);
 332     ui->treeWidget->header()->setSortIndicator(getMappedColumn(sortColumn), sortOrder);
 333 }
 334
 335 // treeview: clicked on header
 336 void CoinControlDialog::headerSectionClicked(int logicalIndex)
 337 {
 338     if (logicalIndex == COLUMN_CHECKBOX) // click on most left column -> do nothing
 339     {
 340         ui->treeWidget->header()->setSortIndicator(getMappedColumn(sortColumn), sortOrder);
 341     }
 342     else
 343     {
 344         logicalIndex = getMappedColumn(logicalIndex, false);
 345
 346         if (sortColumn == logicalIndex)
 347             sortOrder = ((sortOrder == Qt::AscendingOrder) ? Qt::DescendingOrder : Qt::AscendingOrder);
 348         else
 349         {
 350             sortColumn = logicalIndex;
 351             sortOrder = ((sortColumn == COLUMN_LABEL || sortColumn == COLUMN_ADDRESS) ? Qt::AscendingOrder : Qt::DescendingOrder); // if label or address then default => asc, else default => desc
 352         }
 353
 354         sortView(sortColumn, sortOrder);
 355     }
 356 }
 357
 358 // toggle tree mode
 359 void CoinControlDialog::radioTreeMode(bool checked)
 360 {
 361     if (checked && model)
 362         updateView();
 363 }
 364
 365 // toggle list mode
 366 void CoinControlDialog::radioListMode(bool checked)
 367 {
 368     if (checked && model)
 369         updateView();
 370 }
 371
 372 // checkbox clicked by user
 373 void CoinControlDialog::viewItemChanged(QTreeWidgetItem* item, int column)
 374 {
 375     if (column == COLUMN_CHECKBOX && item->text(COLUMN_TXHASH).length() == 64) // transaction hash is 64 characters (this means its a child node, so its not a parent node in tree mode)
 376     {
 377         COutPoint outpt(uint256(item->text(COLUMN_TXHASH).toStdString()), item->text(COLUMN_VOUT_INDEX).toUInt());
 378
 379         if (item->checkState(COLUMN_CHECKBOX) == Qt::Unchecked)
 380             coinControl->UnSelect(outpt);
 381         else if (item->isDisabled()) // locked (this happens if "check all" through parent node)
 382             item->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
 383         else
 384             coinControl->Select(outpt);
 385
 386         // selection changed -> update labels
 387         if (ui->treeWidget->isEnabled()) // do not update on every click for (un)select all
 388             CoinControlDialog::updateLabels(model, this);
 389     }
 390
 391     // todo: this is a temporary qt5 fix: when clicking a parent node in tree mode, the parent node
 392     //       including all childs are partially selected. But the parent node should be fully selected
 393     //       as well as the childs. Childs should never be partially selected in the first place.
 394     //       Please remove this ugly fix, once the bug is solved upstream.
 395 #if QT_VERSION >= 0x050000
 396     else if (column == COLUMN_CHECKBOX && item->childCount() > 0)
 397     {
 398         if (item->checkState(COLUMN_CHECKBOX) == Qt::PartiallyChecked && item->child(0)->checkState(COLUMN_CHECKBOX) == Qt::PartiallyChecked)
 399             item->setCheckState(COLUMN_CHECKBOX, Qt::Checked);
 400     }
 401 #endif
 402 }
 403
 404 // return human readable label for priority number
 405 QString CoinControlDialog::getPriorityLabel(const CTxMemPool& pool, double dPriority)
 406 {
 407     // confirmations -> textual description
 408     typedef std::map<unsigned int, QString> PriorityDescription;
 409     const static PriorityDescription priorityDescriptions = boost::assign::map_list_of
 410         (1, tr("highest"))(2, tr("higher"))(3, tr("high"))
 411         (5, tr("medium-high"))(6, tr("medium"))
 412         (10, tr("low-medium"))(15, tr("low"))
 413         (20, tr("lower"));
 414
 415     BOOST_FOREACH(const PriorityDescription::value_type& i, priorityDescriptions)
 416     {
 417         double p = mempool.estimatePriority(i.first);
 418         if (p > 0 && dPriority >= p) return i.second;
 419     }
 420     // Note: if mempool hasn't accumulated enough history (estimatePriority
 421     // returns -1) we're conservative and classify as "lowest"
 422     if (mempool.estimatePriority(nTxConfirmTarget) <= 0 && AllowFree(dPriority))
 423         return ">=" + tr("medium");
 424     return tr("lowest");
 425 }
 426
 427 // shows count of locked unspent outputs
 428 void CoinControlDialog::updateLabelLocked()
 429 {
 430     vector<COutPoint> vOutpts;
 431     model->listLockedCoins(vOutpts);
 432     if (vOutpts.size() > 0)
 433     {
 434        ui->labelLocked->setText(tr("(%1 locked)").arg(vOutpts.size()));
 435        ui->labelLocked->setVisible(true);
 436     }
 437     else ui->labelLocked->setVisible(false);
 438 }
 439
 440 void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
 441 {
 442     if (!model)
 443         return;
 444
 445     // nPayAmount
 446     qint64 nPayAmount = 0;
 447     bool fDust = false;
 448     CMutableTransaction txDummy;
 449     foreach(const qint64 &amount, CoinControlDialog::payAmounts)
 450     {
 451         nPayAmount += amount;
 452
 453         if (amount > 0)
 454         {
 455             CTxOut txout(amount, (CScript)vector<unsigned char>(24, 0));
 456             txDummy.vout.push_back(txout);
 457             if (txout.IsDust(::minRelayTxFee))
 458                fDust = true;
 459         }
 460     }
 461
 462     QString sPriorityLabel      = tr("none");
 463     int64_t nAmount             = 0;
 464     int64_t nPayFee             = 0;
 465     int64_t nAfterFee           = 0;
 466     int64_t nChange             = 0;
 467     unsigned int nBytes         = 0;
 468     unsigned int nBytesInputs   = 0;
 469     double dPriority            = 0;
 470     double dPriorityInputs      = 0;
 471     unsigned int nQuantity      = 0;
 472     int nQuantityUncompressed   = 0;
 473
 474     vector<COutPoint> vCoinControl;
 475     vector<COutput>   vOutputs;
 476     coinControl->ListSelected(vCoinControl);
 477     model->getOutputs(vCoinControl, vOutputs);
 478
 479     BOOST_FOREACH(const COutput& out, vOutputs)
 480     {
 481         // unselect already spent, very unlikely scenario, this could happen
 482         // when selected are spent elsewhere, like rpc or another computer
 483         uint256 txhash = out.tx->GetHash();
 484         COutPoint outpt(txhash, out.i);
 485         if (model->isSpent(outpt))
 486         {
 487             coinControl->UnSelect(outpt);
 488             continue;
 489         }
 490
 491         // Quantity
 492         nQuantity++;
 493
 494         // Amount
 495         nAmount += out.tx->vout[out.i].nValue;
 496
 497         // Priority
 498         dPriorityInputs += (double)out.tx->vout[out.i].nValue * (out.nDepth+1);
 499
 500         // Bytes
 501         CTxDestination address;
 502         if(ExtractDestination(out.tx->vout[out.i].scriptPubKey, address))
 503         {
 504             CPubKey pubkey;
 505             CKeyID *keyid = boost::get<CKeyID>(&address);
 506             if (keyid && model->getPubKey(*keyid, pubkey))
 507             {
 508                 nBytesInputs += (pubkey.IsCompressed() ? 148 : 180);
 509                 if (!pubkey.IsCompressed())
 510                     nQuantityUncompressed++;
 511             }
 512             else
 513                 nBytesInputs += 148; // in all error cases, simply assume 148 here
 514         }
 515         else nBytesInputs += 148;
 516     }
 517
 518     // calculation
 519     if (nQuantity > 0)
 520     {
 521         // Bytes
 522         nBytes = nBytesInputs + ((CoinControlDialog::payAmounts.size() > 0 ? CoinControlDialog::payAmounts.size() + 1 : 2) * 34) + 10; // always assume +1 output for change here
 523
 524         // Priority
 525         dPriority = dPriorityInputs / (nBytes - nBytesInputs + (nQuantityUncompressed * 29)); // 29 = 180 - 151 (uncompressed public keys are over the limit. max 151 bytes of the input are ignored for priority)
 526         sPriorityLabel = CoinControlDialog::getPriorityLabel(mempool, dPriority);
 527
 528         // Voluntary Fee
 529         nPayFee = payTxFee.GetFee(max((unsigned int)1000, nBytes));
 530
 531         // Min Fee
 532         if (nPayFee == 0)
 533         {
 534             nPayFee = CWallet::GetMinimumFee(nBytes, nTxConfirmTarget, mempool);
 535
 536             double dPriorityNeeded = mempool.estimatePriority(nTxConfirmTarget);
 537             if (dPriorityNeeded <= 0 && !AllowFree(dPriority)) // not enough mempool history: never send free
 538                 dPriorityNeeded = std::numeric_limits<double>::max();
 539
 540             if (nBytes <= MAX_FREE_TRANSACTION_CREATE_SIZE && dPriority >= dPriorityNeeded)
 541                 nPayFee = 0;
 542         }
 543
 544         if (nPayAmount > 0)
 545         {
 546             nChange = nAmount - nPayFee - nPayAmount;
 547
 548             // Never create dust outputs; if we would, just add the dust to the fee.
 549             if (nChange > 0 && nChange < CENT)
 550             {
 551                 CTxOut txout(nChange, (CScript)vector<unsigned char>(24, 0));
 552                 if (txout.IsDust(::minRelayTxFee))
 553                 {
 554                     nPayFee += nChange;
 555                     nChange = 0;
 556                 }
 557             }
 558
 559             if (nChange == 0)
 560                 nBytes -= 34;
 561         }
 562
 563         // after fee
 564         nAfterFee = nAmount - nPayFee;
 565         if (nAfterFee < 0)
 566             nAfterFee = 0;
 567     }
 568
 569     // actually update labels
 570     int nDisplayUnit = BitcoinUnits::BTC;
 571     if (model && model->getOptionsModel())
 572         nDisplayUnit = model->getOptionsModel()->getDisplayUnit();
 573
 574     QLabel *l1 = dialog->findChild<QLabel *>("labelCoinControlQuantity");
 575     QLabel *l2 = dialog->findChild<QLabel *>("labelCoinControlAmount");
 576     QLabel *l3 = dialog->findChild<QLabel *>("labelCoinControlFee");
 577     QLabel *l4 = dialog->findChild<QLabel *>("labelCoinControlAfterFee");
 578     QLabel *l5 = dialog->findChild<QLabel *>("labelCoinControlBytes");
 579     QLabel *l6 = dialog->findChild<QLabel *>("labelCoinControlPriority");
 580     QLabel *l7 = dialog->findChild<QLabel *>("labelCoinControlLowOutput");
 581     QLabel *l8 = dialog->findChild<QLabel *>("labelCoinControlChange");
 582
 583     // enable/disable "dust" and "change"
 584     dialog->findChild<QLabel *>("labelCoinControlLowOutputText")->setEnabled(nPayAmount > 0);
 585     dialog->findChild<QLabel *>("labelCoinControlLowOutput")    ->setEnabled(nPayAmount > 0);
 586     dialog->findChild<QLabel *>("labelCoinControlChangeText")   ->setEnabled(nPayAmount > 0);
 587     dialog->findChild<QLabel *>("labelCoinControlChange")       ->setEnabled(nPayAmount > 0);
 588
 589     // stats
 590     l1->setText(QString::number(nQuantity));                                 // Quantity
 591     l2->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nAmount));        // Amount
 592     l3->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nPayFee));        // Fee
 593     l4->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nAfterFee));      // After Fee
 594     l5->setText(((nBytes > 0) ? "~" : "") + QString::number(nBytes));        // Bytes
 595     l6->setText(sPriorityLabel);                                             // Priority
 596     l7->setText(fDust ? tr("yes") : tr("no"));                               // Dust
 597     l8->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nChange));        // Change
 598     if (nPayFee > 0)
 599     {
 600         l3->setText("~" + l3->text());
 601         l4->setText("~" + l4->text());
 602         if (nChange > 0)
 603             l8->setText("~" + l8->text());
 604     }
 605
 606     // turn labels "red"
 607     l5->setStyleSheet((nBytes >= MAX_FREE_TRANSACTION_CREATE_SIZE) ? "color:red;" : "");// Bytes >= 1000
 608     l6->setStyleSheet((dPriority > 0 && !AllowFree(dPriority)) ? "color:red;" : "");    // Priority < "medium"
 609     l7->setStyleSheet((fDust) ? "color:red;" : "");                                     // Dust = "yes"
 610
 611     // tool tips
 612     QString toolTip1 = tr("This label turns red, if the transaction size is greater than 1000 bytes.") + "<br /><br />";
 613     toolTip1 += tr("This means a fee of at least %1 per kB is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CWallet::minTxFee.GetFeePerK())) + "<br /><br />";
 614     toolTip1 += tr("Can vary +/- 1 byte per input.");
 615
 616     QString toolTip2 = tr("Transactions with higher priority are more likely to get included into a block.") + "<br /><br />";
 617     toolTip2 += tr("This label turns red, if the priority is smaller than \"medium\".") + "<br /><br />";
 618     toolTip2 += tr("This means a fee of at least %1 per kB is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CWallet::minTxFee.GetFeePerK()));
 619
 620     QString toolTip3 = tr("This label turns red, if any recipient receives an amount smaller than %1.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, ::minRelayTxFee.GetFee(546)));
 621
 622     // how many satoshis the estimated fee can vary per byte we guess wrong
 623     double dFeeVary = (double)std::max(CWallet::minTxFee.GetFeePerK(), std::max(payTxFee.GetFeePerK(), mempool.estimateFee(nTxConfirmTarget).GetFeePerK())) / 1000;
 624     QString toolTip4 = tr("Can vary +/- %1 satoshi(s) per input.").arg(dFeeVary);
 625
 626     l3->setToolTip(toolTip4);
 627     l4->setToolTip(toolTip4);
 628     l5->setToolTip(toolTip1);
 629     l6->setToolTip(toolTip2);
 630     l7->setToolTip(toolTip3);
 631     l8->setToolTip(toolTip4);
 632     dialog->findChild<QLabel *>("labelCoinControlFeeText")      ->setToolTip(l3->toolTip());
 633     dialog->findChild<QLabel *>("labelCoinControlAfterFeeText") ->setToolTip(l4->toolTip());
 634     dialog->findChild<QLabel *>("labelCoinControlBytesText")    ->setToolTip(l5->toolTip());
 635     dialog->findChild<QLabel *>("labelCoinControlPriorityText") ->setToolTip(l6->toolTip());
 636     dialog->findChild<QLabel *>("labelCoinControlLowOutputText")->setToolTip(l7->toolTip());
 637     dialog->findChild<QLabel *>("labelCoinControlChangeText")   ->setToolTip(l8->toolTip());
 638
 639     // Insufficient funds
 640     QLabel *label = dialog->findChild<QLabel *>("labelCoinControlInsuffFunds");
 641     if (label)
 642         label->setVisible(nChange < 0);
 643 }
 644
 645 void CoinControlDialog::updateView()
 646 {
 647     if (!model || !model->getOptionsModel() || !model->getAddressTableModel())
 648         return;
 649
 650     bool treeMode = ui->radioTreeMode->isChecked();
 651
 652     ui->treeWidget->clear();
 653     ui->treeWidget->setEnabled(false); // performance, otherwise updateLabels would be called for every checked checkbox
 654     ui->treeWidget->setAlternatingRowColors(!treeMode);
 655     QFlags<Qt::ItemFlag> flgCheckbox = Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable;
 656     QFlags<Qt::ItemFlag> flgTristate = Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable | Qt::ItemIsTristate;
 657
 658     int nDisplayUnit = model->getOptionsModel()->getDisplayUnit();
 659
 660     map<QString, vector<COutput> > mapCoins;
 661     model->listCoins(mapCoins);
 662
 663     BOOST_FOREACH(PAIRTYPE(QString, vector<COutput>) coins, mapCoins)
 664     {
 665         QTreeWidgetItem *itemWalletAddress = new QTreeWidgetItem();
 666         itemWalletAddress->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
 667         QString sWalletAddress = coins.first;
 668         QString sWalletLabel = model->getAddressTableModel()->labelForAddress(sWalletAddress);
 669         if (sWalletLabel.isEmpty())
 670             sWalletLabel = tr("(no label)");
 671
 672         if (treeMode)
 673         {
 674             // wallet address
 675             ui->treeWidget->addTopLevelItem(itemWalletAddress);
 676
 677             itemWalletAddress->setFlags(flgTristate);
 678             itemWalletAddress->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
 679
 680             // label
 681             itemWalletAddress->setText(COLUMN_LABEL, sWalletLabel);
 682
 683             // address
 684             itemWalletAddress->setText(COLUMN_ADDRESS, sWalletAddress);
 685         }
 686
 687         int64_t nSum = 0;
 688         double dPrioritySum = 0;
 689         int nChildren = 0;
 690         int nInputSum = 0;
 691         BOOST_FOREACH(const COutput& out, coins.second)
 692         {
 693             int nInputSize = 0;
 694             nSum += out.tx->vout[out.i].nValue;
 695             nChildren++;
 696
 697             QTreeWidgetItem *itemOutput;
 698             if (treeMode)    itemOutput = new QTreeWidgetItem(itemWalletAddress);
 699             else             itemOutput = new QTreeWidgetItem(ui->treeWidget);
 700             itemOutput->setFlags(flgCheckbox);
 701             itemOutput->setCheckState(COLUMN_CHECKBOX,Qt::Unchecked);
 702
 703             // address
 704             CTxDestination outputAddress;
 705             QString sAddress = "";
 706             if(ExtractDestination(out.tx->vout[out.i].scriptPubKey, outputAddress))
 707             {
 708                 sAddress = QString::fromStdString(CBitcoinAddress(outputAddress).ToString());
 709
 710                 // if listMode or change => show bitcoin address. In tree mode, address is not shown again for direct wallet address outputs
 711                 if (!treeMode || (!(sAddress == sWalletAddress)))
 712                     itemOutput->setText(COLUMN_ADDRESS, sAddress);
 713
 714                 CPubKey pubkey;
 715                 CKeyID *keyid = boost::get<CKeyID>(&outputAddress);
 716                 if (keyid && model->getPubKey(*keyid, pubkey) && !pubkey.IsCompressed())
 717                     nInputSize = 29; // 29 = 180 - 151 (public key is 180 bytes, priority free area is 151 bytes)
 718             }
 719
 720             // label
 721             if (!(sAddress == sWalletAddress)) // change
 722             {
 723                 // tooltip from where the change comes from
 724                 itemOutput->setToolTip(COLUMN_LABEL, tr("change from %1 (%2)").arg(sWalletLabel).arg(sWalletAddress));
 725                 itemOutput->setText(COLUMN_LABEL, tr("(change)"));
 726             }
 727             else if (!treeMode)
 728             {
 729                 QString sLabel = model->getAddressTableModel()->labelForAddress(sAddress);
 730                 if (sLabel.isEmpty())
 731                     sLabel = tr("(no label)");
 732                 itemOutput->setText(COLUMN_LABEL, sLabel);
 733             }
 734
 735             // amount
 736             itemOutput->setText(COLUMN_AMOUNT, BitcoinUnits::format(nDisplayUnit, out.tx->vout[out.i].nValue));
 737             itemOutput->setText(COLUMN_AMOUNT_INT64, strPad(QString::number(out.tx->vout[out.i].nValue), 15, " ")); // padding so that sorting works correctly
 738
 739             // date
 740             itemOutput->setText(COLUMN_DATE, GUIUtil::dateTimeStr(out.tx->GetTxTime()));
 741             itemOutput->setText(COLUMN_DATE_INT64, strPad(QString::number(out.tx->GetTxTime()), 20, " "));
 742
 743             // confirmations
 744             itemOutput->setText(COLUMN_CONFIRMATIONS, strPad(QString::number(out.nDepth), 8, " "));
 745
 746             // priority
 747             double dPriority = ((double)out.tx->vout[out.i].nValue  / (nInputSize + 78)) * (out.nDepth+1); // 78 = 2 * 34 + 10
 748             itemOutput->setText(COLUMN_PRIORITY, CoinControlDialog::getPriorityLabel(mempool, dPriority));
 749             itemOutput->setText(COLUMN_PRIORITY_INT64, strPad(QString::number((int64_t)dPriority), 20, " "));
 750             dPrioritySum += (double)out.tx->vout[out.i].nValue  * (out.nDepth+1);
 751             nInputSum    += nInputSize;
 752
 753             // transaction hash
 754             uint256 txhash = out.tx->GetHash();
 755             itemOutput->setText(COLUMN_TXHASH, QString::fromStdString(txhash.GetHex()));
 756
 757             // vout index
 758             itemOutput->setText(COLUMN_VOUT_INDEX, QString::number(out.i));
 759
 760              // disable locked coins
 761             if (model->isLockedCoin(txhash, out.i))
 762             {
 763                 COutPoint outpt(txhash, out.i);
 764                 coinControl->UnSelect(outpt); // just to be sure
 765                 itemOutput->setDisabled(true);
 766                 itemOutput->setIcon(COLUMN_CHECKBOX, QIcon(":/icons/lock_closed"));
 767             }
 768
 769             // set checkbox
 770             if (coinControl->IsSelected(txhash, out.i))
 771                 itemOutput->setCheckState(COLUMN_CHECKBOX, Qt::Checked);
 772         }
 773
 774         // amount
 775         if (treeMode)
 776         {
 777             dPrioritySum = dPrioritySum / (nInputSum + 78);
 778             itemWalletAddress->setText(COLUMN_CHECKBOX, "(" + QString::number(nChildren) + ")");
 779             itemWalletAddress->setText(COLUMN_AMOUNT, BitcoinUnits::format(nDisplayUnit, nSum));
 780             itemWalletAddress->setText(COLUMN_AMOUNT_INT64, strPad(QString::number(nSum), 15, " "));
 781             itemWalletAddress->setText(COLUMN_PRIORITY, CoinControlDialog::getPriorityLabel(mempool, dPrioritySum));
 782             itemWalletAddress->setText(COLUMN_PRIORITY_INT64, strPad(QString::number((int64_t)dPrioritySum), 20, " "));
 783         }
 784     }
 785
 786     // expand all partially selected
 787     if (treeMode)
 788     {
 789         for (int i = 0; i < ui->treeWidget->topLevelItemCount(); i++)
 790             if (ui->treeWidget->topLevelItem(i)->checkState(COLUMN_CHECKBOX) == Qt::PartiallyChecked)
 791                 ui->treeWidget->topLevelItem(i)->setExpanded(true);
 792     }
 793
 794     // sort view
 795     sortView(sortColumn, sortOrder);
 796     ui->treeWidget->setEnabled(true);
 797 }